diff --git a/configs/pm9g45_defconfig b/configs/pm9g45_defconfig
index 34bf3d7..fbad587 100644
--- a/configs/pm9g45_defconfig
+++ b/configs/pm9g45_defconfig
@@ -13,6 +13,8 @@
 CONFIG_ENV_OFFSET_REDUND=0x100000
 CONFIG_SYS_LOAD_ADDR=0x22000000
 CONFIG_DEBUG_UART=y
+CONFIG_HAS_CUSTOM_SYS_INIT_SP_ADDR=y
+CONFIG_CUSTOM_SYS_INIT_SP_ADDR=0x70003f00
 CONFIG_NAND_BOOT=y
 CONFIG_BOOTDELAY=3
 CONFIG_USE_BOOTARGS=y